.share_iconImg{
    display: inline-block;
    width: 40px;
    height: 28px;
    padding: 0;
    margin: 0;
    background-image: url("../img/share_icon.png");
    background-repeat: no-repeat;
    cursor: pointer;
}

.share_yixin{
    background-position: 0 0;
}

.share_qzone{
    background-position: -120px 0;
}

.share_sinawb{
    background-position: -160px 0;
}

 .share_renren{
    background-position: -200px 0;
}

.share_tips{
    display:inline-block;
    float: left;
    height: 28px;
    line-height: 28px;
    color: #888888;
}

.warpShare li {
    list-style-type: none;
    display: inline-block;
    margin-right: 3px;
}

.share_iconImg a{
    display: block;
    width: 40px;
    height: 28px;
}

.share_iconImg:hover{
    background-position-y:-28px;
}